如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理选择题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析
如图所示电路中,下列关于灯炮L1﹑L2、L3连接说法中不正确是 ( )
A. S1﹑S 2都断开,L1﹑L3串联
B. S1﹑S2都闭合,L2﹑L3并联
C. S2断开,S1闭合,L1﹑L3串联
D. S2断开,S1闭合,只有L3能发光
九年级物理单选题简单题查看答案及解析